STV9427 datasheet(14/20 Pages) STMICROELECTRONICS

14 / 20 page

DISPLAY CONTROL Register

TABLE OF THE

DESCRIPTORS

2nd CHARACTER

STRIP CODES

OTHER

TABLE OF

DESCRIPTORS

OTHER

(UDC for example)

1st CHARACTER

STRIP CODES

3rd CHARACTER

SRTIP CODES

OTHER

(CODES OR

DESCRIPTORS)

SPACING

ROW1

ROW2

SPACING

ROW3

SPACING

RAM CODE

AND DESCRIPTORS

V-SYNC

TOP SPACING STRIP

1st CHARACTER STRIP

2nd CHARACTER STRIP

3rd CHARACTER STRIP

SPACING STRIP

BOTTOM SPACING STRIP

SCREEN

OSD FBK FL1

P8 P7 P6

FL0

TOP MARGIN (see note)

Note : Height of Top Margin is given by TOP MARGIN Register

Figure 9 : Relation between Screen/Address Page/Character Code in RAM

123

456

36 Pixels (= 3 Characters)

Character Number

ON THE SCREEN

(example for Character n°5)

IN THE RAM

Slice 1

Slice 2

Slice 3

Slice 4

Slice 5

Slice 6

Slice 7

Slice 8

Slice 9

Slice 10

Slice 1 1

Slice 12

Slice 13

Slice 14

Slice 15

Slice 16

Slice 17

Slice 18

: 0x00

: 0x08

: 0x0c

: 0x0e

: 0x0f

: 0x0e

: 0x0c

: 0x00

0xf f

0x7f

0x3f

0x1f

0x1e

0x3c

0x78

0xf1

0x00

Odd

Address

Even

Address

MSB

LSB

Figure 10 : User Definable Character

FUNCTIONAL DESCRIPTION (continued)

STV9427 - STV9428 - STV9429

14/20

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